A man is placing the portable Mark 3 into a rooftop tent. A man is placing the portable Mark 3 into a rooftop tent.

Stay Cool, Anywhere

The ultimate portable air conditioning for any adventure or profession—lightweight, powerful, and efficient.

Portable AC, Revolutionized

Summer heat can be unbearable—even dangerous. ZERO BREEZE Mark 3 is not just another portable AC; it’s engineered for true mobility. Unlike bulky units or fuel-wasting car ACs, it provides a lightweight, efficient cooling solution powered by a rechargeable battery. Whether you're camping, working outdoors, or on the road, Mark 3 is your trusted companion.

Need a Custom Solution?

Haven’t found your application? Contact our expert for a customized solution.

Innovation at Its Core

Micro Twin-Cylinder Compressor
Portable Power Module
Dual-Duct System
Active Drain System
Developed by ZERO BREEZE, this cutting-edge compressor is the backbone of rock-solid performance, unmatched portability, and whisper-quiet cooling power.
The Mark 3 battery offers true power freedom, enabling you to go beyond fixed power sources. Stack multiple batteries together for extended runtime, customized to your needs.
Our custom-engineered ducts and adapters supercharge airflow, delivering peak cooling performance with the flexibility to fit any setup you’ve got.
The advanced active drain system, with a built-in pump and sensor, automatically eliminates condensation, keeping your space dry and hassle-free.

A Decade of Commitment

We weren’t the first to think of portable AC, but we’re the only ones who pushed the limits to make it a reality and keep pushing forward for over a decade. Our drive is simple: to ease outdoor living with innovations. That's why we focus on portability and comfort, making it easy for outdoor people to get a cool, safe, and comfortable breeze wherever they are.

From left to right, Mark 3, Mark 2, and Mark 1 are displayed on rocks, showcasing the different models.
Trusted Globally

Used in over 60 countries, from scorching deserts to racing tracks, by adventurers, professionals, and everyday users.

A racecar driver is holding an air cooling hose, staying cool and focused before a race.
An HVAC technician in a blue protective uniform performs maintenance on a large industrial air conditioning unit.
A black helicopter is parked on the ground, ready for takeoff.
The Mark 2 portable AC is installed on a boat's deck, with its flexible duct connected to the front air outlet, providing cool air to the cabin.
The Mark 3 is placed inside a van, providing cooling comfort to a person working on DIY renovations.
A golfer enjoys a refreshing breeze provided by the Mark 2 portable air conditioner installed in the rear of his golf cart.
A driver is working under a semi-truck, with the Mark 2 providing cooling through a flexible duct.
The Mark 2, with its flexible duct, keeps a white puppy cool and comfortable in a truck cab.
A man carries the Mark 3 in one hand while climbing a ladder to his rooftop tent.

What Our Customers Say

★★★★★

“Yes it's expensive but compared to a 12K APU it's damn worth it and must have to every OTR and Regional truck driver. Batteries charge very fast while driving takes about 4 hours for both and each battery gives you at least 5 hours of cooling before it switch to the second battery, you can stack them. ”

@Jordan Bar
★★★★★

“I used my Mark 2 on heck of a lot. It really did what I wanted it to and that was to cool my small sleeper on my 384 Peterbilt. For several years. So far the Mark 3 has potential for me. I like it so far and it gets much cooler that the Mark 2. "

@Travels of ShadoWolf
★★★★★

“Delighted to receive Mark 3 and 2 batteries I ordered in September. It will work well in my Hymer Aktiv Class B campervan. Packaging, unit, batteries all top-notch quality. After running it for maybe 5 minutes, I am confident it will be worth the wait. Photo shows output air temperature, running it "bare", no hoses. ”

@Cindy M Foster
★★★★★

"I was part of the funding group for this new Zero Breeze Mark3, it just arrived. This thing rocks. It only weighs 22 lbs. Can be run off ac, solar or a clip on battery (1022w). The unit sells for $1299 which is way cheaper than a dc inverter marine AC. I think these will become very popular. I'm using it for boating, camping, garage and when working outside. "

@whatta life
★★★★★

“I am more than happy with my Mark3, is working like a dream. I just sold my EcoWave2 air conditioner as it was extremely cumbersome & very, very heavy to use - my ZeroBreeze Mark3 is far superior on many levels & very easy to use. Thank you for a wonderful product. ”

@Jackie Morton
★★★★★

"I have owned approx 2500 aircraft and been flying for 40+ years. With the air in the cabin similar to a car with no airflow in the Summer it can be 130 degrees until you get to altitude. So far the Mark 3 is pretty nice. I put the outlet hose between the 2 front seats so it cools the front of the aircraft well. This really is one of the best things to come along for flying in the Summer. It's portable and doesn't physically connect to the plane. "

@Tony Plant

Dive into Our World

News Applications Stories